CN100463493C - 用于转换视频信号的分辨率的方法及其装置 - Google Patents

用于转换视频信号的分辨率的方法及其装置 Download PDF

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Publication number
CN100463493C
CN100463493C CNB2004100869649A CN200410086964A CN100463493C CN 100463493 C CN100463493 C CN 100463493C CN B2004100869649 A CNB2004100869649 A CN B2004100869649A CN 200410086964 A CN200410086964 A CN 200410086964A CN 100463493 C CN100463493 C CN 100463493C
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video signal
filter coefficient
resolution
sampling
filter
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Chinese (zh)
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CN1622592A (zh
Inventor
李晧荣
金昌容
朴斗植
李性德
亚历克西·卢金
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0282—Sinc or gaussian filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0657—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Systems (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
CNB2004100869649A 2003-11-24 2004-10-20 用于转换视频信号的分辨率的方法及其装置 Active CN100463493C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2003-0083612A KR100519776B1 (ko) 2003-11-24 2003-11-24 영상 신호의 해상도 변환 방법 및 장치
KR83612/03 2003-11-24
KR83612/2003 2003-11-24

Publications (2)

Publication Number Publication Date
CN1622592A CN1622592A (zh) 2005-06-01
CN100463493C true CN100463493C (zh) 2009-02-18

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US (1) US7375767B2 (ja)
EP (1) EP1533899B1 (ja)
JP (1) JP4040041B2 (ja)
KR (1) KR100519776B1 (ja)
CN (1) CN100463493C (ja)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4407801B2 (ja) * 2003-12-16 2010-02-03 セイコーエプソン株式会社 エッジ生成装置、エッジ生成方法およびエッジ生成プログラム
JP2006019950A (ja) * 2004-06-30 2006-01-19 Toshiba Corp 映像信号処理装置及び映像信号処理方法
US8442108B2 (en) * 2004-07-12 2013-05-14 Microsoft Corporation Adaptive updates in motion-compensated temporal filtering
US8340177B2 (en) * 2004-07-12 2012-12-25 Microsoft Corporation Embedded base layer codec for 3D sub-band coding
US8374238B2 (en) 2004-07-13 2013-02-12 Microsoft Corporation Spatial scalability in 3D sub-band decoding of SDMCTF-encoded video
US9071847B2 (en) 2004-10-06 2015-06-30 Microsoft Technology Licensing, Llc Variable coding resolution in video codec
US8243820B2 (en) * 2004-10-06 2012-08-14 Microsoft Corporation Decoding variable coded resolution video with native range/resolution post-processing operation
US7697967B2 (en) 2005-12-28 2010-04-13 Abbott Diabetes Care Inc. Method and apparatus for providing analyte sensor insertion
KR100993430B1 (ko) * 2005-02-07 2010-11-09 닛본 덴끼 가부시끼가이샤 화상 처리 장치, 화상 전송 장치, 정보 처리 단말기, 화상 처리 장치의 프로그램을 기록한 컴퓨터 판독 가능 기록 매체, 및 모자이크 처리 방법
JP2006243043A (ja) * 2005-02-28 2006-09-14 Sanyo Electric Co Ltd 高域補間装置及び再生装置
US7542053B2 (en) * 2005-03-30 2009-06-02 Intel Corporation Methods and apparatus for re-scaling image by variable re-scaling factor
US7446820B2 (en) * 2005-03-30 2008-11-04 Intel Corporation Methods and apparatus for re-scaling image by variable re-scaling factor using B-spline interpolator
US11298058B2 (en) 2005-12-28 2022-04-12 Abbott Diabetes Care Inc. Method and apparatus for providing analyte sensor insertion
US7738712B2 (en) * 2006-01-04 2010-06-15 Aten International Co., Ltd. Mixing 2-D gradient-difference and interpolation/decimation method and device for scaling a digital image
US7956930B2 (en) * 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
US7885698B2 (en) 2006-02-28 2011-02-08 Abbott Diabetes Care Inc. Method and system for providing continuous calibration of implantable analyte sensors
US8140312B2 (en) 2007-05-14 2012-03-20 Abbott Diabetes Care Inc. Method and system for determining analyte levels
US7653425B2 (en) 2006-08-09 2010-01-26 Abbott Diabetes Care Inc. Method and system for providing calibration of an analyte sensor in an analyte monitoring system
US8473022B2 (en) 2008-01-31 2013-06-25 Abbott Diabetes Care Inc. Analyte sensor with time lag compensation
US8374668B1 (en) 2007-10-23 2013-02-12 Abbott Diabetes Care Inc. Analyte sensor with lag compensation
US7618369B2 (en) 2006-10-02 2009-11-17 Abbott Diabetes Care Inc. Method and system for dynamically updating calibration parameters for an analyte sensor
US8346335B2 (en) 2008-03-28 2013-01-01 Abbott Diabetes Care Inc. Analyte sensor calibration management
WO2007122554A2 (en) * 2006-04-21 2007-11-01 Koninklijke Philips Electronics N.V. Picture enhancing increasing precision smooth profiles
TWI367457B (en) 2006-07-03 2012-07-01 Nippon Telegraph & Telephone Image processing method and apparatus, image processing program, and storage medium for storing the program
KR100776543B1 (ko) * 2006-07-12 2007-11-15 (주)디앤티 해상도 변환 장치
CN100423027C (zh) * 2006-09-08 2008-10-01 南京大学 图像缩放器中辛克函数加窗插值方法
DE102006045794A1 (de) * 2006-09-26 2008-03-27 Micronas Gmbh Vorrichtung und Verfahren zum polyphasigen Resampling
JP4775210B2 (ja) * 2006-09-26 2011-09-21 株式会社日立製作所 画像信号処理装置、画像高解像度化方法、画像表示装置、記録再生装置
US8107571B2 (en) * 2007-03-20 2012-01-31 Microsoft Corporation Parameterized filters and signaling techniques
SI3920538T1 (sl) 2007-04-12 2023-08-31 Dolby International Ab Razpostavljanje pri kodiranju in dekodiranju videa
WO2008130898A1 (en) 2007-04-14 2008-10-30 Abbott Diabetes Care, Inc. Method and apparatus for providing data processing and control in medical communication system
WO2008128210A1 (en) * 2007-04-14 2008-10-23 Abbott Diabetes Care, Inc. Method and apparatus for providing data processing and control in medical communication system
US8422767B2 (en) * 2007-04-23 2013-04-16 Gabor Ligeti Method and apparatus for transforming signal data
US8239166B2 (en) 2007-05-14 2012-08-07 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
US8260558B2 (en) 2007-05-14 2012-09-04 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
US8600681B2 (en) 2007-05-14 2013-12-03 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
US9125548B2 (en) 2007-05-14 2015-09-08 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
US8560038B2 (en) 2007-05-14 2013-10-15 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
US8444560B2 (en) 2007-05-14 2013-05-21 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
US8103471B2 (en) 2007-05-14 2012-01-24 Abbott Diabetes Care Inc. Method and apparatus for providing data processing and control in a medical communication system
JP4772754B2 (ja) * 2007-06-25 2011-09-14 三菱電機株式会社 画像補間装置及び方法、並びに画像読取装置
US8160900B2 (en) 2007-06-29 2012-04-17 Abbott Diabetes Care Inc. Analyte monitoring and management device and method to analyze the frequency of user interaction with the device
KR101303647B1 (ko) * 2007-09-28 2013-09-04 삼성전자주식회사 영상 복원을 이용한 영상의 해상도 향상 시스템 및 방법
US8409093B2 (en) 2007-10-23 2013-04-02 Abbott Diabetes Care Inc. Assessing measures of glycemic variability
KR101265956B1 (ko) 2007-11-02 2013-05-22 삼성전자주식회사 블록 기반의 영상 복원 시스템 및 방법
US8953673B2 (en) * 2008-02-29 2015-02-10 Microsoft Corporation Scalable video coding and decoding with sample bit depth and chroma high-pass residual layers
US8711948B2 (en) 2008-03-21 2014-04-29 Microsoft Corporation Motion-compensated prediction of inter-layer residuals
JP4870120B2 (ja) * 2008-05-16 2012-02-08 株式会社Ｊｖｃケンウッド 動画像階層符号化装置、動画像階層符号化方法、動画像階層符号化プログラム、動画像階層復号化装置、動画像階層復号化方法、および動画像階層復号化プログラム
KR20090120159A (ko) 2008-05-19 2009-11-24 삼성전자주식회사 영상합성장치 및 영상합성방법
US8591410B2 (en) 2008-05-30 2013-11-26 Abbott Diabetes Care Inc. Method and apparatus for providing glycemic control
US8924159B2 (en) 2008-05-30 2014-12-30 Abbott Diabetes Care Inc. Method and apparatus for providing glycemic control
KR101470003B1 (ko) * 2008-07-18 2014-12-05 엘지전자 주식회사 가변 필터 윈도우를 이용한 영상 스케일링 방법 및 영상스케일링의 필터 윈도우 크기 산출 방법
US20100020236A1 (en) * 2008-07-28 2010-01-28 Mediatek Inc. Image display apparatus and method
US8872856B1 (en) * 2008-08-14 2014-10-28 Zenverge, Inc. Macroblock based scaling of images using reduced memory bandwidth
US9571856B2 (en) 2008-08-25 2017-02-14 Microsoft Technology Licensing, Llc Conversion operations in scalable video encoding and decoding
US8213503B2 (en) * 2008-09-05 2012-07-03 Microsoft Corporation Skip modes for inter-layer residual video coding and decoding
US8986208B2 (en) 2008-09-30 2015-03-24 Abbott Diabetes Care Inc. Analyte sensor sensitivity attenuation mitigation
TWI369908B (en) * 2009-01-20 2012-08-01 Mstar Semiconductor Inc Image processing circuit and image processing method
RU2543954C2 (ru) * 2009-01-26 2015-03-10 Томсон Лайсенсинг Упаковка кадров для кодирования видео
US8588553B2 (en) 2009-02-12 2013-11-19 Zoran (France) S.A. Scaling method and device for image signals
US8339512B2 (en) * 2009-03-05 2012-12-25 Sony Corporation Method and apparatus for enhancement of high-definition video content
US8497777B2 (en) 2009-04-15 2013-07-30 Abbott Diabetes Care Inc. Analyte monitoring system having an alert
EP4309580A3 (en) 2009-07-23 2024-02-28 Abbott Diabetes Care Inc. Continuous analyte measurement system
US8514086B2 (en) 2009-08-31 2013-08-20 Abbott Diabetes Care Inc. Displays for a medical device
EP2482720A4 (en) 2009-09-29 2014-04-23 Abbott Diabetes Care Inc METHOD AND APPARATUS FOR PROVIDING NOTIFICATION FUNCTION IN SUBSTANCE MONITORING SYSTEMS
US9215445B2 (en) 2010-01-29 2015-12-15 Thomson Licensing Block-based interleaving
JP5668297B2 (ja) * 2010-03-01 2015-02-12 セイコーエプソン株式会社 画像処理装置、プロジェクターおよび画像処理方法
CN101834582B (zh) * 2010-05-28 2013-09-11 华为技术有限公司 一种优化fir滤波器的方法及装置
US20110298972A1 (en) * 2010-06-04 2011-12-08 Stmicroelectronics Asia Pacific Pte. Ltd. System and process for image rescaling using adaptive interpolation kernel with sharpness and de-ringing control
KR101707101B1 (ko) * 2010-09-09 2017-02-28 삼성디스플레이 주식회사 영상데이터 처리방법 및 이를 수행하는 표시 장치
US8483516B2 (en) * 2011-08-16 2013-07-09 National Taiwan University Super resolution system and method with database-free texture synthesis
US8710993B2 (en) 2011-11-23 2014-04-29 Abbott Diabetes Care Inc. Mitigating single point failure of devices in an analyte monitoring system and methods thereof
WO2013078426A2 (en) 2011-11-25 2013-05-30 Abbott Diabetes Care Inc. Analyte monitoring system and methods of use
EP2890297B1 (en) 2012-08-30 2018-04-11 Abbott Diabetes Care, Inc. Dropout detection in continuous analyte monitoring data during data excursions
WO2014052136A1 (en) 2012-09-26 2014-04-03 Abbott Diabetes Care Inc. Method and apparatus for improving lag correction during in vivo measurement of analyte concentration with analyte concentration variability and range data
US9275434B2 (en) 2014-03-11 2016-03-01 Qualcomm Incorporated Phase control multi-tap downscale filter
KR101653572B1 (ko) * 2015-01-23 2016-09-05 한국외국어대학교 연구산학협력단 고속 신호 보간 장치 및 방법
CN108024765B (zh) 2015-07-10 2021-06-11 雅培糖尿病护理公司 对于生理参数进行动态葡萄糖曲线响应的***、装置和方法
WO2018175489A1 (en) 2017-03-21 2018-09-27 Abbott Diabetes Care Inc. Methods, devices and system for providing diabetic condition diagnosis and therapy
CN107493448B (zh) * 2017-08-31 2019-06-07 京东方科技集团股份有限公司 图像处理***、图像显示方法及显示装置
CN112491392B (zh) * 2020-12-04 2024-03-15 南京长峰航天电子科技有限公司 窗函数分数延时滤波器设计方法、装置及其存储介质
CN113221464B (zh) * 2021-05-21 2023-04-07 广东省科学院广州地理研究所 一种地面站点与遥感观测降水数据融合方法和装置
EP4254316A4 (en) 2021-05-24 2024-07-03 Samsung Electronics Co Ltd ELECTRONIC DEVICE AND ITS IMAGE PROCESSING METHOD

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629044A1 (en) * 1993-06-09 1994-12-14 Kodak Limited Digital signal processing
US5512895A (en) * 1994-04-25 1996-04-30 Teradyne, Inc. Sample rate converter
CN1371548A (zh) * 1999-04-22 2002-09-25 皇家菲利浦电子有限公司 采样速率变换器
US20020145546A1 (en) * 2001-02-08 2002-10-10 Sigma Tel, Inc. Method and apparatus for sample rate conversion for use in an analog to digital converter
WO2003044950A1 (en) * 2001-11-19 2003-05-30 Koninklijke Philips Electronics N.V. Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69028782T2 (de) * 1989-07-25 1997-02-13 Seiko Comm Holding Nv Digitales filter und entwicklungsmethode
US5243433A (en) * 1992-01-06 1993-09-07 Eastman Kodak Company Digital image interpolation system for zoom and pan effects
US5422827A (en) * 1993-02-12 1995-06-06 Cirrus Logic, Inc. Integrated video scaling and sharpening filter
US5694149A (en) * 1993-07-01 1997-12-02 Intel Corporation Vertically scaling image signals using digital differential accumulator processing
US5495432A (en) * 1994-01-03 1996-02-27 Industrial Technology Research Institute Apparatus and method for sampling rate conversion
US5446804A (en) * 1994-04-14 1995-08-29 Hewlett-Packard Company Magnifying digital image using edge mapping
US5671298A (en) * 1994-08-30 1997-09-23 Texas Instruments Incorporated Image scaling using cubic filters
US5796879A (en) * 1995-05-23 1998-08-18 Hewlett-Packard Company Area based interpolation for image scaling
US5852470A (en) * 1995-05-31 1998-12-22 Sony Corporation Signal converting apparatus and signal converting method
US5587742A (en) * 1995-08-25 1996-12-24 Panasonic Technologies, Inc. Flexible parallel processing architecture for video resizing
US5974159A (en) * 1996-03-29 1999-10-26 Sarnoff Corporation Method and apparatus for assessing the visibility of differences between two image sequences
US6061477A (en) * 1996-04-18 2000-05-09 Sarnoff Corporation Quality image warper
US6377628B1 (en) * 1996-12-18 2002-04-23 Thomson Licensing S.A. System for maintaining datastream continuity in the presence of disrupted source data
US6177922B1 (en) * 1997-04-15 2001-01-23 Genesis Microship, Inc. Multi-scan video timing generator for format conversion
US20020196853A1 (en) * 1997-06-04 2002-12-26 Jie Liang Reduced resolution video decompression
US6281873B1 (en) * 1997-10-09 2001-08-28 Fairchild Semiconductor Corporation Video line rate vertical scaler
US6108047A (en) * 1997-10-28 2000-08-22 Stream Machine Company Variable-size spatial and temporal video scaler
US6519288B1 (en) * 1998-03-06 2003-02-11 Mitsubishi Electric Research Laboratories, Inc. Three-layer scaleable decoder and method of decoding
US6483951B1 (en) * 1998-06-26 2002-11-19 Lsi Logic Corporation Digital video filter sequence for bandwidth constrained systems
US6661427B1 (en) * 1998-11-09 2003-12-09 Broadcom Corporation Graphics display system with video scaler
US6404322B1 (en) * 1999-02-12 2002-06-11 Elsie Manufacturing Company, Inc. Fusible link
US6347154B1 (en) * 1999-04-08 2002-02-12 Ati International Srl Configurable horizontal scaler for video decoding and method therefore
US20020145610A1 (en) * 1999-07-16 2002-10-10 Steve Barilovits Video processing engine overlay filter scaler
US6724948B1 (en) * 1999-12-27 2004-04-20 Intel Corporation Scaling images for display
US7133569B1 (en) * 2000-07-31 2006-11-07 Polaroid Corporation Aliasing artifact attenuation system
US6937291B1 (en) * 2000-08-31 2005-08-30 Intel Corporation Adaptive video scaler
US6690427B2 (en) * 2001-01-29 2004-02-10 Ati International Srl Method and system for de-interlacing/re-interlacing video on a display device on a computer system during operation thereof
EP1231794A1 (en) * 2001-02-09 2002-08-14 STMicroelectronics S.r.l. A process for changing the resolution of MPEG bitstreams, a system and a computer program product therefor
US20030058368A1 (en) * 2001-09-24 2003-03-27 Mark Champion Image warping using pixel pages
US20030080981A1 (en) * 2001-10-26 2003-05-01 Koninklijke Philips Electronics N.V. Polyphase filter combining vertical peaking and scaling in pixel-processing arrangement
US7333141B2 (en) * 2002-10-22 2008-02-19 Texas Instruments Incorporated Resampling methods for digital images
US7259796B2 (en) * 2004-05-07 2007-08-21 Micronas Usa, Inc. System and method for rapidly scaling and filtering video data

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629044A1 (en) * 1993-06-09 1994-12-14 Kodak Limited Digital signal processing
US5512895A (en) * 1994-04-25 1996-04-30 Teradyne, Inc. Sample rate converter
CN1371548A (zh) * 1999-04-22 2002-09-25 皇家菲利浦电子有限公司 采样速率变换器
US20020145546A1 (en) * 2001-02-08 2002-10-10 Sigma Tel, Inc. Method and apparatus for sample rate conversion for use in an analog to digital converter
WO2003044950A1 (en) * 2001-11-19 2003-05-30 Koninklijke Philips Electronics N.V. Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages

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US20050134731A1 (en) 2005-06-23
EP1533899A1 (en) 2005-05-25
KR100519776B1 (ko) 2005-10-07
US7375767B2 (en) 2008-05-20
KR20050049856A (ko) 2005-05-27
JP4040041B2 (ja) 2008-01-30
CN1622592A (zh) 2005-06-01
JP2005160096A (ja) 2005-06-16
EP1533899B1 (en) 2012-05-02

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